6616560603 has 16 divisors (see below), whose sum is σ = 8888148000. Its totient is φ = 4378053120.

The previous prime is 6616560539. The next prime is 6616560611. The reversal of 6616560603 is 3060656166.

It is not a de Polignac number, because 6616560603 - 2⁶ = 6616560539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6616568603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660613 + ... + 670553.

It is an arithmetic number, because the mean of its divisors is an integer number (555509250).

Almost surely, 2^6616560603 is an apocalyptic number.

6616560603 is a deficient number, since it is larger than the sum of its proper divisors (2271587397).

6616560603 is a wasteful number, since it uses less digits than its factorization.

6616560603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 6616560603 is about 81342.2436560487. The cubic root of 6616560603 is about 1877.3450341629.

The spelling of 6616560603 in words is "six billion, six hundred sixteen million, five hundred sixty thousand, six hundred three".